code: def send_request(port, message):
      """Send a request to an IPCServer.
  
      Args:
          port (int): port to connect to
          message (any type)
  
      Returns:
          response (any type)
      """
      s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      s.connect(("localhost", port))
      pickle.dump(message, s.makefile("wb"))
      return pickle.load(s.makefile("rb"))
  
file_path: fiftyone/fiftyone/service/ipc.py
imports: import pickle
  import socket
  import socketserver
  import threading
label_desc: Use image node_id 1 for calling a global function with example usage: send_request(port, message) and returns: pickle